Gonex Running Belt Double Bag Fitness Workout Belt, Runner Waist Pack for Iphone 6S/6 Plug and other phones, Runner Waist Pack High quality:Select and use waterproof, elastic and washable nylon lycra fabric. Reflective zipper:To enhance recognition in the midnight run or morning run. Adjustable:Made of super elastic stretching band. Cabinet and security:Double pocket, large capacity and high stability. How to use:Wear in hip bone position.